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  • 3 minute read

Practical Data Leakage Analysis

Conti, a Russian-backed cybercrime group that earned $180 million in revenue from ransomware attacks in 2021, reached a major turning point in 2022 with Russia’s invasion of Ukraine. The group publicly supported the Russian invasion, resulting in a rift among its international members. One member began leaking internal messages from…
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  • 3 minute read

Malicious Image

When we look at the campaigns carried out by APT groups such as Muddy Water, which also targets institutions in Turkey, we see that they sometimes use the Steganography technique. With this technique, cyber attackers try to infiltrate the target end user system through a social engineering attack and ensure…
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  • 5 minute read

Smart Watches for Kids

This story began on May 4, 2022, with an email from a reader named Erman ATEŞ. In his email, Mr. Erman, a conscious and sensitive father, stated that smart kids’ watches are increasingly being preferred by many parents for valid reasons, but due to their lack of conformity to standards…
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  • 5 minute read

Run Mert Run

Starting in 2020, due to the increasing impact of the Covid-19 pandemic in our country, I began doing sports with my sports coach through WhatsApp instead of going to the gym. Over time, my coach directed me to purchase various sports equipment such as a pull-up bar, weight set, and…
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  • 2 minute read

Stolen Credit Card Hunt

As a cybersecurity researcher who uses social media very effectively, you know that I have turned messages I have received through social networks and emails into security research, and then into articles and presentations. In this story, which has the same starting point as others, you can see how I…
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  • 6 minute read

Instagram Scammers

Those of you who have read my previous blog posts titled “Sponsored Scamming” “LinkedIn Scammers” and “Who Viewed My Profile?” have learned that social media platforms are effectively used by scammers. However, what surprised me the most after writing these articles was that almost 2 years later, after almost 2…
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  • 4 minute read

You Can Run, But You Can’t Hide

In the past, there was a threat actor, when the barbers were fleas, and the horses were jesters. This threat actor had sent an email to top-level employees of the institutions he targeted, with an HTML file attached. When this HTML file was opened, and the link address (https://go0gle-drive[.]blogspot[.]com) followed,…
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